Watt-hours to Megajoules Converter
Convert Wh to MJ instantly — and see every other energy unit at once.
1 Wh=0.0036 MJ
1 Wh in every unit
Joules
3,600J
Kilojoules
3.6kJ
Megajoules
0.0036MJ
Watt-hoursfrom
1Wh
Kilowatt-hours
0.001kWh
Calories (small)
860.4207cal
Kilocalories (kcal)
0.860421kcal
BTU
3.4121BTU
Electronvolts
22,469,432,668,058,747,000,000eV
Foot-pounds
2,655.22ft·lb
Common Watt-hours to Megajoules conversions
| Watt-hours (Wh) | Megajoules (MJ) |
|---|---|
| 1 Wh | 0.0036 MJ |
| 2 Wh | 0.0072 MJ |
| 5 Wh | 0.018 MJ |
| 10 Wh | 0.036 MJ |
| 25 Wh | 0.09 MJ |
| 50 Wh | 0.18 MJ |
| 100 Wh | 0.36 MJ |
| 250 Wh | 0.9 MJ |
| 500 Wh | 1.8 MJ |
| 1000 Wh | 3.6 MJ |
The formula
Watt-hours (Wh) — a unit of energy.
Megajoules (MJ) — a unit of energy.
Worked examples
1 Wh→0.0036 MJ
Apply Watt-hours ÷ 277.778 with input = 1. Result: 0.0036 MJ.
5 Wh→0.018 MJ
Apply Watt-hours ÷ 277.778 with input = 5. Result: 0.018 MJ.
10 Wh→0.036 MJ
Apply Watt-hours ÷ 277.778 with input = 10. Result: 0.036 MJ.
FAQ
How do I convert Watt-hours to Megajoules?
Use the formula: MJ = Watt-hours ÷ 277.778. You can also use the converter above — type any value and the result updates instantly.
Where are Watt-hours used?
Watt-hours (Wh) — a unit of energy.
Where are Megajoules used?
Megajoules (MJ) — a unit of energy.
How do I convert Megajoules back to Watt-hours?
Use the Megajoules to Watt-hours converter.